Rule 34 Dev - 2018 4_toes 5_fingers abs animal_genitalia animal_penis animated anthro balls biceps big_balls black_nose black_skin canine canine_penis castle demon digitigrade erection evening fingerpads flexing fox grey_skin huge_balls hungothenomster hyper hyper_balls hyper_penis knot loop lunar-fox lunar_the_demon_fox macro male male_only mammal micro multicolored_skin muscular muscular_male muscular_thighs nude pawpads paws pecs penis red_eyes red_penis sharp_teeth solo sprite standing teeth thick_penis toes two_tone_skin|3283399064